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FloodMS

Mississippi Flood Hazard Profile

Hazard Data · Model Version 2.5

Overview

Mississippi faces flood hazard from the Mississippi River (the state's western boundary), Pearl River (Jackson metro), and Gulf Coast storm surge. The 2019 and 2020 Pearl River flood events demonstrated the vulnerability of the Jackson metro area. FEMA NFIP repetitive loss data shows high claim density in coastal and river-adjacent counties.

In the Historical Record

10
federal disaster declarations (1961–2016)
FEMA OpenFEMA Disaster Declarations
64,150
NFIP flood insurance claims paid
FEMA OpenFEMA NfipClaims, 1978–2024

Counted from the records this platform holds. A figure is shown only where the underlying dataset could be read.

County by County in Mississippi

What federal records show has happened in each county: storms, disaster declarations and flood insurance claims. The counties below have the longest NOAA storm records in Mississippi.

All Mississippi counties

Notable Historical Events

12020 Pearl River Flood — near-record stages in Jackson metro (FEMA DR-4536)
22019 Mississippi River Flood — prolonged flooding along western MS
32016 January flooding — significant flooding in central MS

Hazard Scoring Approach

Calchis computes a Calchis Hazard Score (0–10) for flood hazard at any US address. The score is composed of weighted sub-components derived from federal data sources and published research. All score components are transparent and returned in API responses.

These are hazard scores — physical intensity likelihood only. They do not include property exposure or vulnerability data. We never call a hazard score a risk score. See the full methodology for scoring details.

Analyze Your Address

Enter any Mississippi address to see location-specific flood hazard scoring with full methodology transparency.

Open Live Map — Mississippi

Data Sources

FEMA National Flood Hazard Layerwww.fema.gov
NOAA NWPS River Gaugeswater.noaa.gov
USGS Mississippi Water Science Centerwww.usgs.gov

Related

Monitoring flood exposure in Mississippi?

This page is a state-level profile. Calchis scores individual addresses, tracks live flood events against your own locations, and alerts you when one approaches them.

Free includes Live map + 3 triggers + 10 bond positions. Analyst is $149/mo for 1,000-location portfolios, ep curves, predictions, parametric triggers.

Calchis Hazard Score — derived from federal and academic sources listed above. Property exposure data not included. Not a substitute for professional actuarial assessment. Decision-support intelligence — not a primary alerting or dispatch system. Verify against official sources.